uninitMemberVarPrivate
ftp://ftp.de.debian.org/debian/pool/main/m/mldemos/mldemos_0.5.1+git.1.ee5d11f.orig.tar.gz
2.8 mldemos-0.5.1+git.1.ee5d11f/_3rdParty/dlib/gui_widgets/fonts.cpp:108:5: warning: Member variable 'default_font::l' is not initialized in the constructor. [uninitMemberVarPrivate]